State system for ensuring the uniformity of measurements. Volume flow rate and quantity of natural gas. Measurements procedure (method) using volumetric diaphragm and fluidics gas meters
State system for ensuring the uniformity of measurements. The state primary standard and the all-union verification schedule for means measuring the flux of electrons and that of energy of the beam of accelerated electrons energy from 0,8 to 8,0 pJ (5 to 50 MeV)